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\hspace{-16}$(i) $\bf{\int\frac{1}{1+\sin^4 x}dx}$\\\\\\ (ii) $\bf{\int\frac{1}{1+\cos^4 x}dx}$ ...
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A body is projected with a speed u in such a direction that the maximum height obtained is equal to its horizontal range. The horizontal range is a)8u2/17g b)5u2/17g c)6u2/13g d)u2/2g ...
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Hello guys. I am new to this forum,so nice to meet you all. Instead of chit-chat,I will get to the point at once. I am having problems regarding a Physics problem. Care to solve it for me? The question is as follows :- A ston ...
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How to find the circumference of an ellipse? ...
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Ram and Sam are playing a ludo tie-breaker game where the first one who throws a six wins the game.Find the probability of Ram winning the game if :- (a) Ram starts the game (b) Sam starts the game ...
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A capacitor of capacitance Ct = 1.0 F withstands the maximum voltage Va----6.0 kV while a capacitor of capacitance C2 = 2.0 F, the maximum voltage V----4.0 kV. What voltage will the system of these two capacitors withstand ...
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Today is the birthday of theprophet sir wishing him many more happy years to come happy birthday sir ...
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How was NSEP for u guys (those who gave) ? ...
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In the evaluation of NSEP, is the total of Part A and Part B considered or only the score in Part B considered ? ...
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\hspace{-16}$Find all Real Value of $\mathbf{m}$ for Which the Given Equation\\\\ $x^2-\mid x \mid+m=0 $ has Real solution ...
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\mathbf{\int_{0}^{1}\frac{x^2+2}{(x^2+1)^3}dx}$ ...
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\hspace{-16}$Find value of $\mathbf{m}$ in \\\\ $\mathbf{\begin{Vmatrix} 50\sin^2 t+5m\sin t+(4m-41)=0 \\\\ 50\cos^2 t+5m\cos t+(4m-41)=0 & \end{Vmatrix}}$\\\\\\ and $\mathbf{\tan t\neq o}.$ Then value of $\mathbf{m}$ is ...
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*Image* Now my doubt is, if we consider C as the origin then centre of mass comes on CD at a distance L/4 from C. i.e., F ≡ (0, L/4) But what if we consider A as the origin... *Image* In this case we get, F ≡ (L/2, L/4) C ...
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Hi I am getting 84+ percentile in Bmat (Brilliant Tutorials) Part tests for IITJEE 2012. Is it bad? Please comment!! ...
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Q1) *Image* Please explain whether (c) is true/false *Image* *Image* *Image* Answers Q67) 9 Q70) 4 Please explain your answers briefly. ...
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*Image* ...
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Q. A current of 3.7A is passed for 6hrs. between Ni electrodes in 0.5L of 2M solution in Ni(NO3)2. What will be the molarity of the solution at the end of electrolysis? Ans: 2M. Shouldn't it be less than 2M since it started a ...
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\hspace{-16}\mathbf{(1)\;\;\int_{0}^{1}\frac{1-2e^x\sin x}{(e^x+\cos x).(e^x+\sin x)}dx}$\\\\\\ $\mathbf{(2)\;\;\int\frac{1}{(x+1)^5.\sqrt{x^2+2x}}dx} ...
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A person has got 15 aquantances of which 10 are relatives. In how many ways he may invite 9 guests so that 7 would be relatives? [I am a beginner so please explain the result] ...
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*Image* Please give brief explanation also ...
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$\hspace{-16}\textbf{(1)\;Solve the equation z^4=\bar{z}}:$\\\\ $\textbf{(2)\;If Z\in\mathbb{C}\textbf{\;and $\mid z\mid<\frac{1}{2}.$ Then Show that }}$\\\\ \mathbf{\mid (1+i).z^3+iz\mid<\frac{3}{4} } ...
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Let Tn = 1 + 2 + 3 + · · · + n and Pn = T2/T2-1 . T3/T3-1 . T4/T4-1 ....... Tn/Tn-1 Find Pn???? ...
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$\hspace{-16}\textbf{(1)\;Solve the equation z^4=\bar{z}}:$\\\\ $\textbf{(2)\;If Z\in\mathbb{C}\textbf{\;and $\mid z\mid<\frac{1}{2}.$ Then Show that }}$\\\\ \mathbf{\mid (1+i).z^3+iz\mid<\frac{3}{4} } ...
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A hammer weighing 2.5 kg is moving with a speed of 1m/s strikes the head of the nail driving it 10 cm into the wall. The acceleration during impact and the impulse imparted to the wall will be respectively.......... ...
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*Image* Please give brief explanation also ...
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http://students.iitk.ac.in/takneek/media/nuq2m.pdf ...
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some good questions given in the sample paper of kvpy ...
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Q. Find the number of ways of selecting 10 objects out of 30 objects of which 10 are alike and rest are different? ...
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Our dear member Ricky, is going to give his ISI entrance interview on 21st of this month. I wish him all the best for his day.. May his dreams come true! [1] ...
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2 concentric thin meatallic shells having radi R and 2R carry net charges Q and 2Q resp. Draw the charge distribution. *Image* ...
